Ion Channel Dynamics#
Ion channel models are the building blocks of computational neuron models. Their biological fidelity is therefore crucial for the interpretation of simulations.
Ion channels in the brain are specialized proteins that are embedded in the cell membranes of neurons. They act as gatekeepers, regulating the flow of specific ions across the membrane in response to various signals and stimuli. Ion channels are crucial for generating and controlling electrical signals in neurons.
There are different types of ion channels in the brain, each with specific properties and functions. Some of the most important types include voltage-gated ion channels, ligand-gated ion channels, and leak channels. Voltage-gated ion channels open or close in response to changes in the electrical potential across the membrane. Ligand-gated ion channels open or close when specific molecules, such as neurotransmitters, bind to them. Leak channels allow a small, continuous flow of ions across the membrane, contributing to the resting membrane potential.
Modeling the dynamics of ion channels in the brain involves capturing their behavior and interactions using mathematical models and computer simulations.
Base Classes#
Base class for ion channels. |
Calcium Channels#
Base class for Calcium ion channels. |
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The calcium-activated non-selective cation channel model proposed by (Inoue & Strowbridge, 2008) [2]_. |
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The low-threshold T-type calcium current model proposed by (Huguenard & McCormick, 1992) [1]_. |
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The low-threshold T-type calcium current model for thalamic reticular nucleus proposed by (Huguenard & Prince, 1992) [1]_. |
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The high-threshold T-type calcium current model proposed by (Huguenard & McCormick, 1992) [1]_. |
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The high-threshold T-type calcium current model proposed by (Reuveni, et al., 1993) [1]_. |
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The L-type calcium channel model proposed by (Inoue & Strowbridge, 2008) [1]_. |
Potassium Channels#
Base class for sodium channel dynamics. |
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The delayed rectifier potassium channel current. |
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The potassium channel described by (Traub and Miles, 1991) [1]_. |
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The potassium channel described by Hodgkin–Huxley model [1]_. |
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The rapidly inactivating Potassium channel (IA1) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The rapidly inactivating Potassium channel (IA2) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The slowly inactivating Potassium channel (IK2a) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The slowly inactivating Potassium channel (IK2b) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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A slow non-inactivating K+ current described by Yamada et al. (1989) [1]_. |
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The potassium leak channel current. |
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The delayed rectifier potassium channel current. |
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The potassium channel described by (Traub and Miles, 1991) [1]_. |
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The potassium channel described by Hodgkin–Huxley model [1]_. |
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The rapidly inactivating Potassium channel (IA1) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The rapidly inactivating Potassium channel (IA2) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The slowly inactivating Potassium channel (IK2a) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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The slowly inactivating Potassium channel (IK2b) model proposed by (Huguenard & McCormick, 1992) [2]_. |
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A slow non-inactivating K+ current described by Yamada et al. (1989) [1]_. |
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The potassium leak channel current. |
Sodium Channels#
Base class for sodium channel dynamics. |
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The sodium current model. |
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The sodium current model described by (Traub and Miles, 1991) [1]_. |
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The sodium current model described by Hodgkin–Huxley model [1]_. |
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The sodium current model. |
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The sodium current model described by (Traub and Miles, 1991) [1]_. |
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The sodium current model described by Hodgkin–Huxley model [1]_. |
Other Channels#
The hyperpolarization-activated cation current model propsoed by (Huguenard & McCormick, 1992) [1]_. |
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The hyperpolarization-activated cation current model propsoed by (Destexhe, et al., 1996) [1]_. |
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The calcium-dependent potassium current model proposed by (Destexhe, et al., 1994) [1]_. |
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The calcium-dependent potassium current model proposed by (Destexhe, et al., 1994) [1]_. |
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Base class for leaky channel dynamics. |
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The leakage channel current. |